Beggars in Spain is a captivating bioengineering science fiction novel written by Nancy Kress. The story takes place in a future where genetic modifications have eliminated the need for sleep. It follows the life of Leisha Camden, a genetically modified 'Sleepless' who faces discrimination and struggles to find her place in society. Kress explores themes of bioengineering, inequality, and the consequences of tampering with human nature. Beggars in Spain is a compelling exploration of the potential consequences of bioengineering advancements.